You are able to program this 2001 OLDSMOBILE SILHOUETTE keyless entry remote by yourself using the simple programming instructions we send with the remote. They are very easy for the average customer to follow without any automotive experience. If you are having problems with programming a 2001 OLDSMOBILE SILHOUETTE , you can call our technical support line for help. This keyless entry remote comes with battery and is tested for functionality before sending. This remote comes with 4 buttons, with slide door.